Mechanical Engineer – Fluid Systems (Nuclear)

About Vulcain Engineering

Vulcain Engineering, an international engineering consultancy, supports global industrial leaders in their transition to a more responsible and sustainable future. We support our customers in the design, construction, commissioning and operation of their complex infrastructure projects that will shape the world of tomorrow. With operations in 17 countries and employing over 6,000 staff worldwide, our business responds to the needs of our clients by delivering high-value engineering expertise tailored to our clients’ most complex challenges.

In the UK, we have a key focus in the Nuclear sector, contributing to ground breaking projects, such as Hinkley Point C (HPC).

The Position: Mechanical Engineer – Fluid Systems

We are looking to expand our technical team within our Nuclear New Build division, by hiring 2 Mechanical Engineers with a speciality in Fluid Systems. The Mechanical Engineers will take ownership of their own packages of work within fluid systems (including fluid mechanics, thermodynamics, and hydraulic systems, pumps, valves, pipework, heat exchangers).

Representing the client side delivery services, this person will sit within the team who deliver overview and multi-disciplinary coordination in the areas of safety case justifications, configuration & change management, documentation management and technical reporting, whilst ensuring alignment to nuclear industry standards and QA processes within a nuclear environment.

Some of the main responsibilities of the Mechanical Engineer will include:

• Take responsibility for mechanical fluid systems deliverables within the client offices on UK nuclear new build projects (fluid mechanics, thermodynamics, and hydraulic systems - pumps, valves, pipework, heat exchangers).
• Review and manage system documentation - ensuring accuracy, consistency, and proper traceability
• Checking P&IDs, as well as raising and validating design changes where required.
• Asses, determine and manage justifications for safety cases.
• Take ownership of full configuration management duties, including communicating & interfacing with multi-disciplinary teams and stakeholders.
• Coordinating with vendors and suppliers on the technical aspects of mechanical fluid systems topics.
• Produce technical reports, and providing technical input and support to any client office and site-based activities when required .
• Build strong working relationships with client stakeholders to ensure smooth project delivery.

This is a unique opportunity for you to directly influence the mechanical fluid systems scope for landmark nuclear projects, helping to shape infrastructure that will define the UK’s energy future. It’s a challenging, high-impact position with long-term stability and clear progression routes, alongside the chance to explore various frameworks across our nuclear portfolio throughout your career at Vulcain.

Preferred Profile:

Alongside a commitment to our values of Care & Compassion, Performance, Team Spirit, and Inclusiveness, we are looking for individuals who can bring the following:

• Extensive experience in design, analysis, quality assurance or safety cases, ideally with one or more of the following: pumps, valves, steam release systems, heat exchangers, demineralised & potable water systems.
• A minimum Bachelor Degree in Mechanical, Process or Nuclear Engineering.
• Demonstrable experience in a regulated environment such as Nuclear (desirable), Oil & Gas, Petrochemical, or similar.
• Experience producing P&IDs, technical specifications, reports, and system documentation, ideally alongside strong documentation and verification skills with excellent attention to technical detail and compliance.
• Familiar with industry codes, safety cases, standards, and QA processes in regulated environments.
• Strong communication and stakeholder management skills, with the ability to interface with multi-discipline teams and suppliers.
• Experience with thermal-hydraulic modelling, transient analysis, or CFD tools is advantageous.
• Reside locally to Gloucestershire or be prepared to relocate, as this permanent role does not include travel expense coverage.

Please note that visa sponsorship is not guaranteed and is assessed on a case-by-case basis, depending on role criticality and project needs. Many of our UK projects require high-level security clearance, meaning we can often only consider candidates with an existing, indefinite right to work in the UK. Exceptionally, we may consider visa sponsorship for applicants with niche experience aligned to our core work (e.g. EPR/nuclear new build).

Remuneration & Benefits:

We offer a competitive salary tailored to your experience and background. Whether you're earlier in your career or bring more senior-level expertise, we encourage you to apply if this role aligns with your skills, or if you're open to discussing other opportunities within this discipline.

We also offer a benefits package, both standard and enhanced, which is designed to support your wellbeing, development, and financial future, including:

• 25 Days Annual Leave + Bank Holidays, with the ability to swap bank holidays for cultural or religious celebrations
• Matched Pension Scheme
• Enhanced Maternity, Paternity, Adoption and Neonatal Care Leave
• Employee Referral Scheme
• Private Medical & Dental Insurance
• Electric Vehicle Scheme
• Cycle to Work Scheme
• Training & Development, including additional qualifications and accreditations relevant to your role
• Travel Insurance – for both business and personal travel
• Employee Assistance Programme

Why join us?

At Vulcain Engineering, we offer more than just a job, we offer a rewarding career with endless opportunities for growth and development. You'll be part of a talented team of professionals working on exciting and meaningful projects and making a real impact to the nuclear industry.

We offer a dynamic and collaborative work environment where your talents are valued, and your contributions are recognised.

Join us in shaping the future of the nuclear industry and driving innovation to new heights. If you are ready to take on new challenges and unlock your full potential, we invite you to apply for our position.

Equal Opportunities:

Vulcain Engineering UK is an equal opportunities employer. We are committed to creating a diverse and inclusive workplace where everyone is valued and respected. We welcome applications from all individuals, regardless of background, and do not discriminate based on age, gender, disability, ethnicity, religion, sexual orientation, or any other protected characteristic.

If you require any reasonable adjustments during the recruitment process, please let us know, and we will be happy to accommodate your needs.

We appreciate every application. However, due to the volume we receive, we’re only able to contact candidates who are shortlisted for this role or who may be a strong fit for future opportunities.